河成石灰华成因──掺气效应研究

本文通过对有大量碳酸钙沉积河段的水质分析、野外观测，发现河水流动过程中将空气带入水中形成大量气泡，引起水体物化方面的迅速变化，包括碳酸钙大量沉积，笔者称之为掺气效应。通过野外实验，对掺气效应及掺气效应中水体物化变化和碳酸钙沉积速度进行了论证和研究，在此基础上提出：掺气效应是河流中碳酸钙大量集中沉积的一个主要因素。     

TV跟踪系统光电轴一致性研究

本文论述复合制导系统 ＴＶ光电设备光电轴一致性问题，并给出新的处理方法。研究结果表明：本方法具有较高的精度与应用价值。     

氯化铝工业生产中几个工艺技术问题的探讨

本文详细论述了利用废铝生产氯化铝过程中,设备及各控制因此对产品质量和颗粒度的影响,(?)了适宜的控制条件和设计要求,为生产不同用户需求的合格产品提供了可靠的依据。     

浅谈高等医学院校物理实验室管理与建设

确立实验技术人员的地位和作用,加强对其综合素质进行培养;努力改善实验教学环境和条件,建立完善的制度,是高等医学院校物理实验室建设管理的重要环节.本文结合我校实际谈一些体会.     

固沙植物白沙蒿化学成份的研究[Ⅰ]

从固沙植物白沙蒿中分到五个成份,经鉴定:1.亚(麻)油酸乙酯Ethyl linoleate。2.樱草素Sakuranetin,3.异樱草素Isosakuranetin,4.木波罗双氢黄酮Arto-carpanone,5、金合欢素Acacetin。亚(麻)油酸乙酯是冠心病类药物的主要成份,所以白沙蒿的发现为此类药物提供了新药源。     

THE TRANSFER BEHAVIOUR OF SOME CATIONS AT WATER／NITROBENZENE INTERFACE BY SEMIDIFFERENTIAL CYCLIC VOLTAMMETRY

The transfer of Sr~(2+) and Ba~(2+) ion, facilitated by 18-Crown-6 present in the aqueous phase, and of succinylcholine ion at w/nb interface were investigated by semi-differential cyclic voltammetry. A good polarographic curve of succinylcholine ion dissolved in water was obtained in the system of 0.01 mol/l LiCl (w)——0.01 mol/l TBATPB (nb). The peak current is directly proportional to the concentration of SC~(2+) ion. It can be used for the determination of SC and the detection limit is 1.05×10~(-5) mol/l.The apparent D~w and D~(nb) have been estimated. The transfer of Sr~(2+) and of Ba~(2+) at the interface are facilitated by 18-Crown-6 present in the aqueous phase and the peak current is directly proportional to the concentration of 18-Crown-6 in water. This method can be used for the determination of the complexing agent and for the stability constant of the complex formed in the aqueous phase.All the experimental results are in keeping with the theoretical.     

偏最小二乘紫外分光光度法同时测定萘，1－甲基萘和蒽

用偏最小二乘法（ＰＬＳ）进行校正和预测，不经分离同时测定了混合体系中的萘，１－甲基萘和蒽。萘，１－甲基萘和蒽的浓度分别在０～２８ｍｇ／Ｌ，０～４０ｍｇ／Ｌ和０～４０ｍｇ／Ｌ的浓度范围服从比耳定律。对合成样品中这三种组分进行分析，结果令人满意。     

THE INFLUENCE OF SPINNING CONDITION ON STRUCTURE & PROPERTIES OF MASS-DYED SUPERFINE PP AS-SPUN FILAMENTS

The effect of colorant additive on the rheology of PP polymer melt and the influence of spinning conditions on the crystalline and orientation structure of mass-dyed as-spun PP filament are reported. The △E~~~ value for all colored chips is higher than that of blank chip to a varying degree. The crystallinity and orientation degree of dyed PP as-spun filament decrease with increasing melt temperature, decreasing spinning speed and increasing denier per filament (dpf), while the crystallinity of dyed as-spun filament increases with the content of colorant additive as a nucleation agent.     

结构稳定性在非线性系统鲁棒性分析中的应用

探讨了非线性系统的结构稳定性、分叉点和鲁棒性之间的关系，提出了一种分析非线性系统鲁棒稳定性的方法，并给出了相应的计算实例．